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Old November 13th 11, 12:49 PM posted to rec.audio.tubes,rec.radio.shortwave
dave dave is offline
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First recorded activity by RadioBanter: Jan 2009
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Default Building a new shortwave tube radio

On Sat, 12 Nov 2011 17:24:02 -0800, arthrnyork wrote:



As far as I know- none of the satellites are using vacuum tubes . That's
the reality .


Almost all of them use TWTAs, a form of vacuum tube, for their final
downlink amplifiers.